Home / 26,213.76-39,326.40-19,267.20

Finding the Fourth Proportional to 26,213.76, 39,326.40 and 19,267.20

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Solution

The fourth proportional to 26,213.76, 39,326.40 and 19,267.20 is: 28,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.76 : 39,326.40 = 19,267.20 : x
  2. Step 2: Convert to fraction form
    26,213.76/39,326.40 = 19,267.20/x
  3. Step 3: Cross multiply
    26,213.76x = 39,326.40 × 19,267.20
  4. Step 4: Simplify right side
    26,213.76x = 757,709,614.08
  5. Step 5: Solve for x
    x = 757,709,614.08/26,213.76
  6. Step 6: Final answer
    x = 28,905.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.